Prosecution Insights
Last updated: October 26, 2026

John Schuyler Mcguirk, USPTO Patent Examiner

Listed by the USPTO as MCGUIRK, JOHN SCHUYLER

Tech Center 1700 • Art Units: 1678 1758 1796 1797 1798

This examiner grants 78% of resolved cases

Analysis

MCGUIRK, JOHN SCHUYLER is assigned to Tech Center 1700 and art unit 1678. The record contains 230 resolved cases, with an allowance rate of 77.8%. The median time to allowance is 1183 days, showing that a favorable allowance outcome may still require an extended prosecution effort.

The interview lift is 49.3%, a strong positive association that makes examiner interviews a significant strategic consideration in this docket. Practitioners may use that setting to test claim amendments, explain technical distinctions, and identify issues that can be resolved without unnecessary written exchanges. The leading companies are BASF SE, Scientific Design Company, Inc., and Chevron Corporation. The leading firms are ARENTFOX SCHIFF LLP, COOLEY LLP, and CROWELL & MORING LLP.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

77.8%
Allow Rate
+12.8% vs TC avg
270
Total Applications
+49.3%
Interview Lift
1183
Avg Prosecution Days
Based on 230 resolved cases, 2023–2026

Rejection Statute Breakdown

6.0%
§101 Eligibility
16.2%
§102 Novelty
41.1%
§103 Obviousness
33.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18402047 Support Device And Cell Culturing System Non-Final OA Terumo BCT, Inc.
18719319 ENVIRONMENTAL ATTRIBUTES FOR FORMULATION ADDITIVES Non-Final OA BASF SE
18294753 METHOD FOR MONITORING AND/OR CONTROLLING A CHEMICAL PLANT USING HYBRID MODELS Non-Final OA BASF SE
18289142 SUPPLIED HEAT QUANTITY ESTIMATION METHOD, SUPPLIED HEAT QUANTITY ESTIMATION DEVICE, SUPPLIED HEAT QUANTITY ESTIMATION PROGRAM, AND BLAST FURNACE OPERATION METHOD Final Rejection JFE STEEL CORPORATION
18562979 Dispensing Device, Automatic Analysis Device, and Dispensing Method Non-Final OA Hitachi High-Tech Corporation
18248477 METHOD FOR OPERATING A PROCESS SYSTEM, PROCESS SYSTEM AND METHOD FOR CONVERTING A PROCESS SYSTEM Non-Final OA LINDE GMBH
18091096 CELL CULTURE VESSEL, METHOD FOR PRODUCING CELL CULTURE VESSEL, METHOD FOR PRODUCING CELLS, CELL CULTURE APPARATUS, AND CELL CULTURE JIG Final Rejection TOYO SEIKAN GROUP HOLDINGS, LTD.

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Frequently Asked Questions

What is examiner John Schuyler Mcguirk's allowance rate?

77.8% of resolved applications examined by John Schuyler Mcguirk were allowed (230 resolved cases), compared with 43.0% across Art Unit 1678 over the last five years.

Does an interview help with examiner John Schuyler Mcguirk?

This examiner's interview lift is +49.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John Schuyler Mcguirk take to allow a patent?

Applications allowed by John Schuyler Mcguirk took 1,183 days on average from filing to allowance.

Which art unit does examiner John Schuyler Mcguirk work in?

John Schuyler Mcguirk examines applications in Art Unit 1678 in Tech Center 1700 (Chemistry & Materials).

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